Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSDODGE AND RAM20241500 TRXREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 450 (DTC INDEX (3 OF 3))SENSOR, LEFT BLIND SPOT (LBSS)
2024 Dodge and Ram 1500 TRX
Sensor, Left Blind Spot (LBSS)
2024 Dodge and Ram 1500 TRXSECTION Sensor, Left Blind Spot (LBSS)
WARNING: This page is about a different car, the 2023 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| B129E-78 | LEFT BLIND SPOT SENSOR - ALIGNMENT OR ADJUSTMENT INCORRECT |
| B2199-16 | BATTERY VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| B2199-17 | BATTERY VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| B2204-00 | ECU CONFIGURATION MISMATCH |
| B22A9-04 | ECU INTERNAL PERFORMANCE - SYSTEM INTERNAL FAILURES |
| C212A-16 | SYSTEM VOLTAGE - CIRCUIT VOLTAGE BELOW THRESHOLD |
| C212A-17 | SYSTEM VOLTAGE - CIRCUIT VOLTAGE ABOVE THRESHOLD |
| U0011-00 | CAN INTERIOR BUS OFF PERFORMANCE |
| U0100-00 | LOST COMMUNICATION WITH ECM/PCM |
| U0140-00 | LOST COMMUNICATION WITH BODY CONTROL MODULE |
| U0203-00 | LOST COMMUNICATION WITH LEFT FRONT DOOR MODULE |
| U0204-00 | LOST COMMUNICATION WITH RIGHT FRONT DOOR MODULE |
| U0422-00 | IMPLAUSIBLE DATA RECEIVED FROM BODY CONTROL MODULE |
| U11FA-00 | LOST COMMUNICATION WITH RIGHT BLIND SPOT SENSOR |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.